Keywords: Fetal, Data Analysis, Maternal BMI, Signal to Noise RatioWe assessed SNR (signal-to-noise-ratio) against elevated maternal BMI in fetal brain/body MRI imaging to examine if SNR decreases both objectively/subjectively, and if MRI could be an alternative imaging modality in prenatal care. Spearman’s Correlation-Rank coefficient was used to identify relationships between SNR measurements in ROI’s and maternal BMI. There’s a negative downward trend between maternal BMI and SNR seen for all fetal ROIs (particularly in regions more susceptible to SNR); subjective assessment didn’t identify any association between BMI and image quality. Our results suggest that MRI is a viable alternative to ultrasound in pregnant women with elevated BMI.
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